alex/slang-shaders
1
0
Fork 0
mirror of https://github.com/italicsjenga/slang-shaders.git synced 2024-11-23 00:01:31 +11:00
Code Issues Packages Projects Releases Wiki Activity

add horz/vert flip to image-adjustment

Browse source
This commit is contained in:
hunterk 2017-03-10 13:34:34 -06:00
parent 523aceef44
commit 47e7583af8
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
misc/image-adjustment.slang
View file

@ -30,6 +30,8 @@ layout(push_constant) uniform Push
layout(std140, set = 0, binding = 0) uniform UBO
{
mat4 MVP;
float FLIP_HORZ;
float FLIP_VERT;
} global;
#pragma parameter target_gamma "Target Gamma" 2.2 0.1 5.0 0.1
@ -53,6 +55,8 @@ layout(std140, set = 0, binding = 0) uniform UBO
#pragma parameter RMASK "Overscan Mask Right" 0.0 0.0 1.0 0.0025
#pragma parameter GRAIN_STR "Film Grain" 0.0 0.0 72.0 6.0
#pragma parameter SHARPEN "Sharpen" 0.0 0.0 1.0 0.05
#pragma parameter FLIP_HORZ "Flip Horiz Axis" 0.0 0.0 1.0 1.0
#pragma parameter FLIP_VERT "Flip Vert Axis" 0.0 0.0 1.0 1.0
// Image Adjustment
// Author: hunterk
@ -86,7 +90,10 @@ layout(location = 0) out vec2 vTexCoord;
void main()
{
gl_Position = global.MVP * Position;
vec4 flip_pos = Position;
if (global.FLIP_HORZ > 0.5) flip_pos.x = 1.0 - flip_pos.x;
if (global.FLIP_VERT > 0.5) flip_pos.y = 1.0 - flip_pos.y;
gl_Position = global.MVP * flip_pos;
vec2 shift = vec2(0.5);
vec2 overscan_coord = ((TexCoord - shift) / registers.ZOOM) * (1.0 - vec2(registers.overscan_percent_x / 100.0, registers.overscan_percent_y / 100.0)) + shift;
vTexCoord = overscan_coord + vec2(registers.XPOS, registers.YPOS);